ES554358A0 - SINGLE LINE TELEPHONE COMMUNICATION SYSTEM - Google Patents

SINGLE LINE TELEPHONE COMMUNICATION SYSTEM

Info

Publication number: ES554358A0
Authority: ES; Spain
Prior art keywords: communication system; single line; telephone communication; line telephone; telephone
Prior art date: 1985-04-25
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

ES554358A

Other languages

Spanish (es)

Other versions

ES8707060A1 (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nokia Spain SA

Original Assignee

Alcatel Espana SA

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1985-04-25

Filing date

1986-04-25

Publication date

1987-07-16

1986-04-25 Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA

1987-07-16 Publication of ES8707060A1 publication Critical patent/ES8707060A1/en

1987-07-16 Publication of ES554358A0 publication Critical patent/ES554358A0/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
- H04M1/715—Substation extension arrangements using two or more extensions per line

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephonic Communication Services (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

ES554358A 1985-04-25 1986-04-25 Single line telephone communication system. Expired ES8707060A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US72673385A	1985-04-25	1985-04-25

Publications (2)

Publication Number	Publication Date
ES8707060A1 ES8707060A1 (en)	1987-07-16
ES554358A0 true ES554358A0 (en)	1987-07-16

Family

ID=24919783

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES554358A Expired ES8707060A1 (en)	1985-04-25	1986-04-25	Single line telephone communication system.

Country Status (8)

Country	Link
EP (1)	EP0221090A1 (en)
JP (1)	JPS62502579A (en)
KR (1)	KR880700581A (en)
AU (1)	AU588305B2 (en)
CA (1)	CA1244978A (en)
ES (1)	ES8707060A1 (en)
MX (1)	MX161903A (en)
WO (1)	WO1986006570A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4893334A (en) *	1987-08-28	1990-01-09	Power Play	Intercommunication system for telephones
GB2213351B (en) *	1987-12-04	1992-06-17	Roy Musselbrook	Telephone, extention-to-intercom module
IT1226312B (en) *	1988-07-26	1990-12-27	Italtel Telematica	INTERCOMMUNICATING TELEPHONE SYSTEM ON TWO-WIRE LINE.
IT1236823B (en) *	1989-11-23	1993-04-02	Alcatel Dial Face Spa	DEVICE FOR THE TRANSMISSION ON A SINGLE PAIR OF CONDUCTORS OF THE PHONE SIGNAL, SIGNALING AND POWER SUPPLY IN INTERCOMMUNICATING EQUIPMENT.
NL9400239A (en) *	1994-02-17	1995-10-02	Grid Telecom Systems Bv	Home telephone system.
GB9407696D0 (en) *	1994-04-19	1994-06-15	Marikon Resources Inc	A telephone exchange system
US5920615A (en) *	1995-10-19	1999-07-06	British Telecommunications Public Limited Company	Telecommunications switch
FI962312A (en) *	1996-05-31	1997-12-01	Teleste Viestintae Oy	Telephone system
US5978469A (en) *	1997-01-21	1999-11-02	U S West, Inc.	Apparatus for telephone extension control
WO2001031747A1 (en)	1999-10-26	2001-05-03	Fractus, S.A.	Interlaced multiband antenna arrays

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4092501A (en) *	1973-12-05	1978-05-30	Iwasaki Tsushinki Kabushiki Kaisha	Key telephone system
JPS519306A (en) *	1974-07-11	1976-01-26	Fujitsu Ltd	NIKYODOKANYUSHASHUYOHOSHIKI
US4000376A (en) *	1975-03-31	1976-12-28	Viking Electronics, Inc.	Telephone privacy device
JPS5341111A (en) *	1976-09-28	1978-04-14	Toshiba Corp	Dial signal sending device
PT68279A (en) *	1977-08-15	1978-08-01	Goodyear Tire & Rubber	Pneumatic tire and pneumatic tire mounted on a rim
JPS56112194A (en) *	1980-02-12	1981-09-04	Nec Corp	Omnibus circuit device
CA1166777A (en) *	1981-03-23	1984-05-01	Gordon D. Benning	Home telephone exchange
CA1169597A (en) *	1981-09-11	1984-06-19	Gordon D. Benning	Home communications and control system

1986
- 1986-02-25 CA CA000502609A patent/CA1244978A/en not_active Expired
- 1986-03-06 EP EP86902134A patent/EP0221090A1/en not_active Ceased
- 1986-03-06 WO PCT/US1986/000477 patent/WO1986006570A1/en not_active Application Discontinuation
- 1986-03-06 JP JP61501722A patent/JPS62502579A/en active Pending
- 1986-03-06 KR KR860700931A patent/KR880700581A/en not_active Application Discontinuation
- 1986-04-16 AU AU56147/86A patent/AU588305B2/en not_active Ceased
- 1986-04-25 ES ES554358A patent/ES8707060A1/en not_active Expired
- 1986-04-25 MX MX2317A patent/MX161903A/en unknown

Also Published As

Publication number	Publication date
CA1244978A (en)	1988-11-15
JPS62502579A (en)	1987-10-01
WO1986006570A1 (en)	1986-11-06
EP0221090A1 (en)	1987-05-13
AU5614786A (en)	1986-10-30
ES8707060A1 (en)	1987-07-16
AU588305B2 (en)	1989-09-14
MX161903A (en)	1991-03-01
KR880700581A (en)	1988-03-15

Legal Events

Date	Code	Title	Description
1996-07-01	MM4A	Patent lapsed	Effective date: 19960506

Publication	Publication Date	Title
NO854603L (en)	1986-09-22	MODEM FOR PHONE SYSTEMS.
NO854602L (en)	1986-09-22	MODEM FOR PHONE SYSTEMS.
DE3650344D1 (en)	1995-08-03	Transmission terminal.
DK403886A (en)	1987-03-01	COMMUNICATION SYSTEM
DE3586033D1 (en)	1992-06-17	CORDLESS TELEPHONE SYSTEM.
DE3668579D1 (en)	1990-03-08	MELT PIPE CONNECTION SYSTEM.
DE3689457D1 (en)	1994-02-10	Radio telephone system.
DE3786222D1 (en)	1993-07-22	TELEPHONE SYSTEM.
FI862576A (en)	1986-12-19	Telecommunication system.
NO870449D0 (en)	1987-02-04	DIGITAL COMMUNICATION SYSTEM.
DE3689010D1 (en)	1993-10-21	Cordless telephone system.
IT1205753B (en)	1989-03-31	TELEPHONE TRANSMISSION SYSTEM
DE3686356D1 (en)	1992-09-17	CONNECTING TERMINAL SYSTEMS.
DE3688351D1 (en)	1993-06-03	TELEPHONE.
DE3688606D1 (en)	1993-07-29	SPEAKER SYSTEM.
ES554358A0 (en)	1987-07-16	SINGLE LINE TELEPHONE COMMUNICATION SYSTEM
BR8701012A (en)	1987-12-29	COMMUNICATION SYSTEM
DE3788520D1 (en)	1994-01-27	PIPE TERMINAL.
ES536153A0 (en)	1985-11-01	TELECOMMUNICATION SYSTEM
BR8605552A (en)	1987-04-22	TELEPHONE INSTALLATION
DE3677235D1 (en)	1991-03-07	TERMINAL BLOCK.
DK416987D0 (en)	1987-08-11	TELEPHONE LINE INTERFACE MODULE
ATE106992T1 (en)	1994-06-15	CONNECTION SYSTEM.
NL193041B (en)	1998-04-01	Microphone system.
IT8423103A1 (en)	1986-04-11	TELEPHONE ANSWERING SYSTEM